Nginx – can’t work node.js server with nginx, the page is always nginx welcome page

nginxnode.js

I start a node.js server on the aws cloud, the location of the server is /home/ubuntu/home/fablab. I can start my node.js server with nginx in port 80, everything is working fine.

Then I am following the tutorial to work node.js and nginx on the server, I reconfigure the node.js port to 61337, build a fablab.conf under the folder of /etc/nginx/sites-available,
and then ln -s /etc/nginx/sites-available/fablab.conf /etc/nginx/sites-enabled/fablab.conf.
This is my fablab.conf

server {
    listen 80;

    server_name fablab;

    location ~ ^/(images/|img/|javascript/|js/|css/|stylesheets/|flash/|media/|static/|robots.txt|humans.txt|favicon.ico) {
        root /home/ubuntu/node/fablab/public;
        access_log off;
        expires max;
    }

    client_max_body_size 16M;

    root /home/ubuntu/node/fablab;
    index /home/ubuntu/node/fablab/public/forum.html;   

    location / {
        access_log off;     
        proxy_pass  http://127.0.0.1:61337;

        proxy_set_header   X-Real-IP            $remote_addr;
        proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
        proxy_set_header   X-Forwarded-Proto $scheme;
        proxy_set_header   Host  $http_host;
        #proxy_set_header  Host  $host;
        proxy_set_header   X-NginX-Proxy    true;

        # websockets support
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_http_version 1.1;
    }
}

I reload and restart the nginx, and when I go to the server IP address and port 80, the page is still nginx's welcome page.

Why it doesn't work so far, everything I missed out? I think the key for the fablab.conf, is the proxy_pass http://127.0.0.1:61337, is it already?

I have two confusions

  1. do I have to use the default.conf in the /etc/nginx/sites-enabled, some other names are ok?

  2. in the conf file, server_name is supposed to be host name, what if I only have IP address, not host name right now, how to do in this host name. as it is on AWS, do i need to fill in this as the my aws serer's domain name like ec2-24-210-148-112.us-west-2.compute.amazonaws.com

  3. in the tutorial, server_name in the conf file is saying like this :

    Make sure to set the A Record on your domain's DNS settings to your server's IP address.

    You can test if was set properly by using the dig command: dig yourdomain.com

what does it mean ? how would I do it

Best Answer

Your configuration seems to be using Virtual Hosting; in other words, nginx decides "which" server{..} block matches a request based on the host the request specifies. If the hostname specified doesn't correspond to any server_name, you'll end up with the default catch all site.

Your host name isn't a valid DNS name, but have no fear - put fablab in /etc/hosts (winderz puts it in Windows\System 32\drivers\etc ) something like this (specify your webserver's IP ) :

192.168.100.17 fablab

which should allow your host to resolve fablab to that Ip, and then NGINX should be able to route your request to the proper server.

Hope it Helps!

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